package com.gzsxy.demo;

//模拟龟兔赛跑
public class Reac implements Runnable {

    //胜利者
    private static String winner;


    @Override
    public void run() {
        for (int i = 0; i <= 100; i++) {

            //模拟兔子休息
            if (Thread.currentThread().getName().equals("兔子") && i % 10 == 0) {
                try {
                    Thread.sleep(1);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }


            //判断比赛是否结束
            boolean flag = gameOver(i);

            //如果比赛结束了，就停止程序
            if (flag) {
                break;
            }


            System.out.println(Thread.currentThread().getName() + "-->跑了" + i + "步");
        }
    }


    //判断是否完成比赛
    private boolean gameOver(int steps) {
        //判断是否有胜利者
        if (winner != null) { //已经存在胜利者
            return true;
        }
        {
            if (steps >= 100) {
                winner = Thread.currentThread().getName();
                System.out.println("winner is " + winner);
                return true;
            }
        }
        return false;
    }


    public static void main(String[] args) {
        Reac reac = new Reac();
        new Thread(reac, "兔子").start();
        new Thread(reac, "乌龟").start();
    }

}
